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Copy pathoperator.py
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171 lines (141 loc) · 6.49 KB
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"""Operator diff."""
import operator
from typing import Any, List, Tuple
class Operator:
"""Operator class implementation."""
def __init__(self, reference_data: Any, value_to_compare: Any) -> None:
"""__init__ method for Operator class."""
# [{'7.7.7.7': {'peerGroup': 'EVPN-OVERLAY-SPINE', 'vrf': 'default', 'state': 'Idle'}},
# {'10.1.0.0': {'peerGroup': 'IPv4-UNDERLAY-SPINE', 'vrf': 'default', 'state': 'Idle'}},
# {'10.2.0.0': {'peerGroup': 'IPv4-UNDERLAY-SPINE', 'vrf': 'default', 'state': 'Idle'}},
# {'10.64.207.255': {'peerGroup': 'IPv4-UNDERLAY-MLAG-PEER', 'vrf': 'default', 'state': 'Idle'}}]
self.reference_data = reference_data
self.value_to_compare = value_to_compare
def _loop_through_wrapper(self, call_ops: str) -> Tuple[List, bool]:
"""Private wrapper method for operator evaluation based on 'operator' lib.
Based on value passed to the method, the appropriate operator logic is triggered.
Args:
call_ops: operator type parameter.
Returns:
dict: result evaluation based on operator type.
"""
def call_evaluation_logic():
"""Operator valuation logic wrapper."""
# reverse operands: https://docs.python.org/3.8/library/operator.html#operator.contains
if call_ops == "is_in":
if not ops[call_ops](self.reference_data, evaluated_value):
result.append(item)
elif call_ops == "not_contains":
if ops[call_ops](evaluated_value, self.reference_data):
result.append(item)
elif call_ops == "not_in":
if ops[call_ops](self.reference_data, evaluated_value):
result.append(item)
elif call_ops == "in_range":
if not self.reference_data[0] < evaluated_value < self.reference_data[1]:
result.append(item)
elif call_ops == "not_in_range":
if self.reference_data[0] < evaluated_value < self.reference_data[1]:
result.append(item)
# "<", ">", "contains"
elif not ops[call_ops](evaluated_value, self.reference_data):
result.append(item)
ops = {
">": operator.gt,
">=": operator.ge,
"<": operator.lt,
"<=": operator.le,
"is_in": operator.contains,
"not_in": operator.contains,
"contains": operator.contains,
"not_contains": operator.contains,
}
result = [] # type: List
for item in self.value_to_compare:
for value in item.values():
for evaluated_value in value.values():
call_evaluation_logic()
if result:
return (result, False)
return (result, True)
def all_same(self) -> Tuple[Any, bool]:
"""All same operator type implementation."""
list_of_values = []
result = []
for item in self.value_to_compare:
# Create a list for compare values.
list_of_values.extend(iter(item.values()))
for element in list_of_values:
if element != list_of_values[0]:
result.append(False)
else:
result.append(True)
if self.reference_data and not all(result):
return (self.value_to_compare, False)
if self.reference_data:
return ([], True)
if not all(result):
return ([], True)
return (self.value_to_compare, False)
def contains(self) -> Tuple[List, bool]:
"""Contains operator caller."""
return self._loop_through_wrapper("contains")
def not_contains(self) -> Tuple[List, bool]:
"""Not contains operator caller."""
return self._loop_through_wrapper("not_contains")
def is_gt(self) -> Tuple[List, bool]:
"""Is greather than operator caller."""
return self._loop_through_wrapper(">")
def is_ge(self) -> Tuple[List, bool]:
"""Is greather or equal than operator caller."""
return self._loop_through_wrapper(">=")
def is_lt(self) -> Tuple[List, bool]:
"""Is lower than operator caller."""
return self._loop_through_wrapper("<")
def is_le(self) -> Tuple[List, bool]:
"""Is lower or equal than operator caller."""
return self._loop_through_wrapper("<=")
def is_in(self) -> Tuple[List, bool]:
"""Is in operator caller."""
return self._loop_through_wrapper("is_in")
def not_in(self) -> Tuple[List, bool]:
"""Is not in operator caller."""
return self._loop_through_wrapper("not_in")
def in_range(self) -> Tuple[List, bool]:
"""Is in range operator caller."""
return self._loop_through_wrapper("in_range")
def not_in_range(self) -> Tuple[List, bool]:
"""Is not in range operator caller."""
return self._loop_through_wrapper("not_in_range")
def is_subset(self) -> Tuple[List, bool]:
"""Check whether each extracted list is a subset of the reference list."""
result = []
reference_set = set(self.reference_data)
for item in self.value_to_compare:
for value in item.values():
for evaluated_value in value.values():
# Fail fast if the extracted value is not a list/tuple
if not isinstance(evaluated_value, (list, tuple)):
result.append(item)
continue
if not set(evaluated_value).issubset(reference_set):
result.append(item)
if result:
return (result, False)
return ([], True)
def is_subset_ci(self) -> Tuple[List, bool]:
"""Check whether each extracted list is a subset of the reference list (case-insensitive)."""
result = []
reference_set = {str(item).lower() for item in self.reference_data}
for item in self.value_to_compare:
for value in item.values():
for evaluated_value in value.values():
if not isinstance(evaluated_value, (list, tuple)):
result.append(item)
continue
normalized_value = {str(element).lower() for element in evaluated_value}
if not normalized_value.issubset(reference_set):
result.append(item)
if result:
return (result, False)
return ([], True)